YASKAWA CIMR-ZU A Series Programming Manual page 203

Installin t e Coolin Fan Unit 2A
1
Reverse the procedure described above to reinstall the cooling fan unit.
Note Use a magnetized screwdriver when inserting the screws to prevent the screws from falling.
2
Reattach the covers and HOA keypad.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor cooling fan operation time.
Coolin Fan eplacement
A NING Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even after the
power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching any
components.
CAU ION Burn Hazard. Do not touch a hot drive heatsink. Failure to comply could result in minor or moderate injury. Shut off the power
to the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink has cooled down.
NO ICE Follow cooling fan and circulation fan replacement instructions. Improper fan replacement may cause damage to equipment. When
installing the replacement fan into the drive, make sure the fan is facing upwards. Replace all fans when performing maintenance to help
ensure maximum useful product life.
emo in and Disassemblin t e Coolin Fan Unit
1
Remove the terminal cover and front covers 1 and 2.
2
Remove the fan connector (CN6).
A Fan unit
B Circulation an unit
C Circulation an
D Circulation an relay cable
Remove the circulation fan relay cable from the hook. Remove the fan connector (CN7).
Remove the screws holding the fan units in place and slide the fan units out of the drive.
and 2A
Fi ure 2 7 Install t e Coolin Fan Unit 2A
A 1
A
B
C
D
Fi ure 2 7 Component Names
and 2A
A 1
E
F
G
H
E Fan relay cable
F Fan connector (CN )
G oo
Fan connector (CN7)
A 1
2 Dri e Coolin Fans
2
2